Finding the Fourth Proportional to 856,183.21, 1,181,467.79 and 474,201.79
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Solution
The fourth proportional to 856,183.21, 1,181,467.79 and 474,201.79 is: 654,362.45
Step by Step Solution
- Step 1: Write the proportion equation
856,183.21 : 1,181,467.79 = 474,201.79 : x - Step 2: Convert to fraction form
856,183.21/1,181,467.79 = 474,201.79/x - Step 3: Cross multiply
856,183.21x = 1,181,467.79 × 474,201.79 - Step 4: Simplify right side
856,183.21x = 560,254,139,077.18 - Step 5: Solve for x
x = 560,254,139,077.18/856,183.21 - Step 6: Final answer
x = 654,362.45
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.